1 配置iscsi服務端
1 安裝軟件
# yum -y install targetcli
2 創建磁盤
[root@storage ~]# targetcli
/> cd /backstores/block
/backstores/block> create mariadata_master /dev/sdb
3創建iscsi
/> cd /iscsi
/iscsi> create iqn.2020-03.com.jian
/iscsi/iqn.20...sterdata/tpg1> cd acls
/iscsi/iqn.20...ata/tpg1/acls> create iqn.2020-03.com.jian:192.168.135.31
/iscsi/iqn.20...ata/tpg1/acls> create iqn.2020-03.com.jian:192.168.135.32
/iscsi/iqn.20...ata/tpg1/acls> cd ../luns
/iscsi/iqn.20...ata/tpg1/luns> create /backstores/block/mariadata_master
/iscsi/iqn.20...ata/tpg1/luns> cd ../portals/
/iscsi/iqn.20.../tpg1/portals> delete 0.0.0.0 3260
/iscsi/iqn.20.../tpg1/portals> create 192.168.135.33 3260
2 配置客戶端
1安裝軟件
yum -y install iscsi-initiator-utils
2 配置iqn
##服務端的acl,次測試中每臺server只能配置一個iqn
[root@pacemaker1 ~]# cat /etc/iscsi/initiatorname.iscsi
InitiatorName=iqn.2020-03.com.jian:192.168.135.31
[root@pacemaker2 ~]# cat /etc/iscsi/initiatorname.iscsi
InitiatorName=iqn.2020-03.com.jian:192.168.135.32
3 發現iscsi
[root@pacemaker2 ~]# iscsiadm -m discovery -t st -p 192.168.135.33
192.168.135.33:3260,1 iqn.2020-03.com.jian.masterdata
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